Master Plumber 123323 Stainless-Steel 2-Wire Submersible Well Pump, 4", 1/2 HP, 115VMaster Plumber 1 2 HP Submersible 2 Wire Well Pump is designed for use in wells with inside diameters of at least 4" and depths of up to 150'. Patented floating stack design minimizes sand locking while the stainless steel pump and motor housing resists corrosion. Pump provides the optimum amount of water and pressure for general home and farm use. Horsepower: 1 2 HP Voltage: 115V Number Of Wires: 2 Plus Ground Performance Series: 10 GPM Pumps from